Each battery has a capacity of 1,100mAh, giving you a combined 40+ hours of continuous playtime per charge. 10-foot USB-C® cable allows you to play and charge simultaneously or charge the battery directly on its own. Battery fits directly into the Xbox Series XS or Xbox One® controller. LED charge indicator shows battery charge status. Includes 2 battery covers for Xbox Series XS controllers and 2 battery covers for Xbox One® controllers. Xbox One / Series X/S controller is not included.